Kick off and Kick the bucket

Kick off verb - To take the first step in (a process or course of action).

Kick the bucket and kick off are semantically related. in pass away topic. In some cases you can use "Kick the bucket" instead a verb "Kick off".

Kick the bucket verb - Pass from physical life and lose all bodily attributes and functions necessary to sustain life.

Kick off and kick the bucket are semantically related. Sometimes you can use "Kick off" instead a verb phrase "Kick the bucket".